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Threatened Plant Species

Since there are so many plants that are either threatened or  endangered we have separated them into those two groups; Threatened Plats (this page) and Endangered Plants.
Common Name Scientfic Name  
`Ahinahina Argyroxiphium sandwicense ssp. macrocephalum T
amaranth, seabeach Amaranthus pumilus T
amole, purple Chlorogalum purpureum T
amphianthus, little Amphianthus pusillus T
aster, decurrent false Boltonia decurrens T
baccharis, Encinitas Baccharis vanessae T
Beaked-rush, Knieskern's Rhynchospora knieskernii T
birch, Virginia round-leaf Betula uber T
birds-in-a-nest, white Macbridea alba T
bladderpod, Dudley Bluffs Lesquerella congesta T
bladderpod, lyrate Lesquerella lyrata T
bladderpod, Missouri Lesquerella filiformis T
blazingstar, Ash Meadows Mentzelia leucophylla T
blazingstar, Heller's Liatris helleri T
bluecurls, Hidden Lake Trichostema austromontanum ssp. compactum T
bonamia, Florida Bonamia grandiflora T
brodiaea, Chinese Camp Brodiaea pallida T
brodiaea, thread-leaved Brodiaea filifolia T
buckwheat, scrub Eriogonum longifolium var. gnaphalifolium T
bush-clover, prairie Lespedeza leptostachya T
Butterfly plant, Colorado Gaura neomexicana var. coloradensis T
butterweed, Layne's Senecio layneae T
butterwort, Godfrey's Pinguicula ionantha T
button, Mohr's Barbara Marshallia mohrii T
Cactus, Chisos Mountain hedgehog Echinocereus chisoensis var. chisoensis T
cactus, Cochise pincushion Coryphantha robbinsorum T
cactus, Lee pincushion Coryphantha sneedii var. leei T
cactus, Lloyd's Mariposa Echinomastus mariposensis T
cactus, Mesa Verde Sclerocactus mesae-verdae T
cactus, Siler pincushion Pediocactus (=Echinocactus,=Utahia) sileri T
Cactus, Uinta Basin hookless Sclerocactus glaucus T
cactus, Winkler Pediocactus winkleri T
Catchfly, Spalding's Silene spaldingii T
ceanothus, Vail Lake Ceanothus ophiochilus T
centaury, spring-loving Centaurium namophilum T
checker-mallow, Nelson's Sidalcea nelsoniana T
Chumbo, Higo Harrisia portoricensis T
clarkia, Springville Clarkia springvillensis T
cobana negra Stahlia monosperma T
cory cactus, bunched Coryphantha ramillosa T
crownbeard, big-leaved Verbesina dissita T
Cycladenia, Jones Cycladenia jonesii (=humilis) T
cypress, Gowen Cupressus goveniana ssp. goveniana T
daisy, lakeside Hymenoxys herbacea T
daisy, Maguire Erigeron maguirei T
daisy, Parish's Erigeron parishii T
dudleya, Conejo Dudleya abramsii ssp. parva T
dudleya, marcescent Dudleya cymosa ssp. marcescens T
dudleya, Santa Cruz Island Dudleya nesiotica T
dudleya, Verity's Dudleya verityi T
dudleyea, Santa Monica Mountains Dudleya cymosa ssp. ovatifolia T
dwarf-flax, Marin Hesperolinon congestum T
evening-primrose, San Benito Camissonia benitensis T
fern, Alabama streak-sorus Thelypteris pilosa var. alabamensis T
fern, American hart's-tongue Asplenium scolopendrium var. americanum T
fleabane, Zuni Erigeron rhizomatus T
four-o'clock, MacFarlane's Mirabilis macfarlanei T
goldenrod, Blue Ridge Solidago spithamaea T
goldenrod, Houghton's Solidago houghtonii T
goldenrod, white-haired Solidago albopilosa T
gooseberry, Miccosukee Ribes echinellum T
grass, Colusa Neostapfia colusana T
groundsel, San Francisco Peaks Senecio franciscanus T
gumplant, Ash Meadows Grindelia fraxino-pratensis T
gumplant, Ash Meadows Grindelia fraxino-pratensis T
ha`iwale Cyrtandra limahuliensis T
haha Cyanea recta T
heartleaf, dwarf-flowered Hexastylis naniflora T
heather, mountain golden Hudsonia montana T
howellia, water Howellia aquatilis T
iris, dwarf lake Iris lacustris T
ivesia, Ash Meadows Ivesia kingii var. eremica T
joint-vetch, sensitive Aeschynomene virginica T
kolea Myrsine linearifolia T
ladies'-tresses, Ute Spiranthes diluvialis T
liveforever, Laguna Beach Dudleya stolonifera T
locoweed, Fassett's Oxytropis campestris var. chartacea T
Lupine, Kincaid's Lupinus sulphureus (=oreganus) ssp. kincaidii (=var. kincaidii) T
makou Peucedanum sandwicense T
manaca, palma de Calyptronoma rivalis T
manzanita, Ione Arctostaphylos myrtifolia T
manzanita, Morro Arctostaphylos morroensis T
manzanita, pallid Arctostaphylos pallida T
mariposa lily, Tiburon Calochortus tiburonensis T
milk-vetch, Ash meadows Astragalus phoenix T
milk-vetch, Deseret Astragalus desereticus T
milk-vetch, Fish Slough Astragalus lentiginosus var. piscinensis T
milk-vetch, heliotrope Astragalus montii T
milk-vetch, Peirson's Astragalus magdalenae var. peirsonii T
milkweed, Mead's Asclepias meadii T
milkweed, Welsh's Asclepias welshii T
monkshood, northern wild Aconitum noveboracense T
mustard, Penland alpine fen Eutrema penlandii T
navarretia, spreading Navarretia fossalis T
no common name Geocarpon minimum T
no common name Gesneria pauciflora T
no common name Schiedea spergulina var. spergulina T
no common name Schoepfia arenaria T
no common name Silene hawaiiensis T
no common name Tetramolopium rockii T
oak, Hinckley Quercus hinckleyi T
orchid, eastern prairie fringed Platanthera leucophaea T
Orchid, western prairie fringed Platanthera praeclara T
Orcutt grass, San Joaquin Orcuttia inaequalis T
Orcutt grass, slender Orcuttia tenuis T
owl's-clover, fleshy Castilleja campestris ssp. succulenta T
paintbrush, ash-grey Castilleja cinerea T
Paintbrush, golden Castilleja levisecta T
pigeon wings Clitoria fragrans T
pink, swamp Helonias bullata T
pogonia, small whorled Isotria medeoloides T
potato-bean, Price's Apios priceana T
primrose, Maguire Primula maguirei T
pussypaws, Mariposa Calyptridium pulchellum T
reed-mustard, clay Schoenocrambe argillacea T
rosemary, Cumberland Conradina verticillata T
roseroot, Leedy's Sedum integrifolium ssp. leedyi T
rush-rose, island Helianthemum greenei T
sandwort, Bear Valley Arenaria ursina T
seagrass, Johnson's Halophila johnsonii T
sedge, Navajo Carex specuicola T
skullcap, Florida Scutellaria floridana T
skullcap, large-flowered Scutellaria montana T
sneezeweed, Virginia Helenium virginicum T
spineflower, Monterey Chorizanthe pungens var. pungens T
spiraea, Virginia Spiraea virginiana T
spurge, Garber's Chamaesyce garberi T
spurge, Hoover's Chamaesyce hooveri T
spurge, telephus Euphorbia telephioides T
sunburst, San Joaquin adobe Pseudobahia peirsonii T
sunflower, Pecos (=puzzle, =paradox) Helianthus paradoxus T
sunray, Ash Meadows Enceliopsis nudicaulis var. corrugata T
tarplant, Otay Deinandra (=Hemizonia) conjugens T
tarplant, Santa Cruz Holocarpha macradenia T
thelypody, Howell's spectacular Thelypodium howellii spectabilis T
thistle, Pitcher's Cirsium pitcheri T
thistle, Sacramento Mountains Cirsium vinaceum T
thornmint, San Diego Acanthomintha ilicifolia T
townsendia, Last Chance Townsendia aprica T
twinpod, Dudley Bluffs Physaria obcordata T
vervain, Red Hills Verbena californica T
water-plantain, Kral's Sagittaria secundifolia T
whitlow-wort, papery Paronychia chartacea T
wild-buckwheat, gypsum Eriogonum gypsophilum T
wild-buckwheat, southern mountain Eriogonum kennedyi var. austromontanum T
yellowhead, desert Yermo xanthocephalus T
 
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